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I. Basic Information for CVE-2021-28663
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
ARM Mali GPU 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ARM Mali GPU是英国ARM公司的一款移动显示芯片组(GPUs)系列。和其他基于IP核心(IP cores)嵌入式技术的3D显示芯片一样,Mali显示芯片组没有提供特别用来驱动LCD显示器显示图像的显示控制器(类似于显卡),相反地,它是一个纯3D显示引擎,它将图像加载到缓存中,并且由专门负责图像显示处理的内置显示核心来显示这些图像。 Arm Mali GPU 内核驱动程序存在资源管理错误漏洞,该漏洞源于 GPU 内存操作处理不当,导致释放后使用。该漏洞允许权限升级或信息泄露。这会影响 Bifros
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-28663
#POC DescriptionSource LinkShenlong Link
1A basic PoC leak for CVE-2021-28663 (Internal of the Android kernel backdoor vulnerability)https://github.com/lntrx/CVE-2021-28663POC Details
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III. Intelligence Information for CVE-2021-28663
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IV. Related Vulnerabilities
V. Comments for CVE-2021-28663

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